A dermatologic perspective on autoinflammatory diseases

Angelo Valerio Marzano, Giovanni Damiani, Giovanni Genovese, Marco Gattorno

Research output: Contribution to journalReview article

12 Citations (Scopus)

Abstract

Autoinflammatory diseases (AIDs) encompass a heterogeneous group of disorders pathogenetically related to an abnormal activation of the innate immunity and clinically characterised by aseptic inflammation in the affected organs in the absence of high titer of circulating autoantibodies or autoreactive T cells. In classic monogenic AIDs, the skin is frequently involved with a wide range of cutaneous lesions. Monogenic AIDs result from different mutations in a single gene, which regulates the innate immunity. These mutations cause an uncontrolled activation of the inflammasome, leading to an overexpression of interleukin (IL)- 1β. IL-1β is the pivotal cytokine which is responsible for the exaggerated production of cytokines and chemokines that induce the recruitment of neutrophils, key cells in autoinflammation. Paradigmatic autoinflammatory forms are the cryopyrin-associated periodic syndromes (CAPS), whose skin involvement consists of urticarial lesions. Similar IL-1β-mediated autoinflammatory pathomechanisms also occur in deficiency of IL-1 receptor antagonist (DIRA) and deficiency of IL-36 receptor antagonist (DITRA), whose cutaneous appearance is characterised by pustular lesions, as well as in pyogenic arthritis, pyoderma gangrenosum and acne (PAPA) syndrome. Pyoderma gangrenosum, which is the cutaneous hallmark of the PAPA syndrome, is a prototypic neutrophil-mediated skin disease, manifesting as single or multiple ulcers with undermined, raised erythematous to violaceous borders. This review is focused on the CAPS, DIRA/DITRA and PAPA syndromes with emphasis on their cutaneous manifestations, as well as their histology and pathophysiology.

Original languageEnglish
Pages (from-to)32-38
Number of pages7
JournalClinical and Experimental Rheumatology
Volume36
Issue number1
Publication statusPublished - Jan 1 2018

Fingerprint

Cryopyrin-Associated Periodic Syndromes
Skin
Interleukin-1
Innate Immunity
Interleukin Receptors
Inflammasomes
Cytokines
Pyoderma Gangrenosum
Skin Manifestations
Mutation
Interleukin-1 Receptors
Neutrophil Infiltration
Chemokines
Skin Diseases
Autoantibodies
Ulcer
Histology
Neutrophils
Inflammation
T-Lymphocytes

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology

Cite this

A dermatologic perspective on autoinflammatory diseases. / Marzano, Angelo Valerio; Damiani, Giovanni; Genovese, Giovanni; Gattorno, Marco.

In: Clinical and Experimental Rheumatology, Vol. 36, No. 1, 01.01.2018, p. 32-38.

Research output: Contribution to journalReview article

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